When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Presto (SQL query engine) - Wikipedia

   en.wikipedia.org/wiki/Presto_(SQL_query_engine)

   Presto (including PrestoDB, and PrestoSQL which was re-branded to Trino) is a distributed query engine for big data using the SQL query language. Its architecture allows users to query data sources such as Hadoop, Cassandra, Kafka, AWS S3, Alluxio, MySQL, MongoDB and Teradata, [1] and allows use of multiple data sources within a query.

3. Data stream management system - Wikipedia

   en.wikipedia.org/wiki/Data_stream_management_system

   A data stream management system (DSMS) is a computer software system to manage continuous data streams. It is similar to a database management system (DBMS), which is, however, designed for static data in conventional databases. A DBMS also offers a flexible query processing so that the information needed can be expressed using queries.

4. Comparison of database administration tools - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_database...

   Some - can only reverse engineer the entire database at once and drops any user modifications to the diagram (can't "refresh" the diagram to match the database) Forward engineering - the ability to update the database schema with changes made to its entities and relationships via the ER diagram visual designer Yes - can update user-selected ...

5. Query optimization - Wikipedia

   en.wikipedia.org/wiki/Query_optimization

   Query optimization is a feature of many relational database management systems and other databases such as NoSQL and graph databases. The query optimizer attempts to determine the most efficient way to execute a given query by considering the possible query plans .

6. Query plan - Wikipedia

   en.wikipedia.org/wiki/Query_plan

   A given database management system may offer one or more mechanisms for returning the plan for a given query. Some packages feature tools which will generate a graphical representation of a query plan. Other tools allow a special mode to be set on the connection to cause the DBMS to return a textual description of the query plan.

7. Dremel (software) - Wikipedia

   en.wikipedia.org/wiki/Dremel_(software)

   Dremel is the query engine used in Google's BigQuery service. [1] Dremel is the inspiration for Apache Drill, [2] Apache Impala, [3] and Dremio, [4] an Apache licensed platform that includes a distributed SQL execution engine. In 2020, Dremel won the Test of Time award [5] at the VLDB 2020 conference, recognizing the innovations it pioneered. [6]